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CS-W001157 4
Total: USD 88.00

Diisobutyl terephthalate

  • CAS No. 18699-48-4

  • Cat. No. CS-0160333
  • Purity≥97%
  • MDL No.MFCD01682719
  • HazMat Fee +

    HazMat Fee

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

    The shipment is processed through FedEx Ground under the Limited Quantity option.

    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    Type
    HazMat Fee
    Excepted Quantity $0.00
    FedEx Limited Quantities Ground $0.00
    Hazmat Ground shipping $50.00+
    Inaccessible (Haz class 6.1 or 9), Domestic $68.00+
    Accessible (Haz class 3, 4, 5 or 8), Domestic $158.00+
    Inaccessible (Haz class 6.1 or 9), International $108.00+
    Accessible (Haz class 3, 4, 5 or 8), International $238.00+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Diisobutyl terephthalate|CS-0160333

Structure of 18699-48-4

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Description

Diisobutyl terephthalate serves as a stable, low-viscosity ester plasticizer with excellent thermal and oxidative resistance. This aromatic diester integrates into polymer matrices to enhance flexibility without compromising clarity or adhesion. Its branched alkyl chains reduce crystallinity, enabling broad compatibility in polyvinyl chloride, cellulose acetate, and other resin systems under standard processing conditions.

Application

Diisobutyl terephthalate serves as a stable, bench-friendly diester building block for the synthesis of polyesters and functionalized aromatic intermediates. Its isobutyl ester groups offer improved solubility and reduced volatility compared to simpler alkyl analogs, facilitating handling in large-scale reactions. The terephthalate core enables efficient incorporation into polymer backbones and serves as a versatile scaffold for downstream transformations via hydrolysis or transesterification.

General Information

  • CAS No. 18699-48-4
  • Cat. No. CS-0160333
  • Purity ≥97%
  • MDL No. MFCD01682719
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₆H₂₂O₄
  • Molecular Weight 278.34
  • Synonym(s) bis(2-methylpropyl) benzene-1,4-dicarboxylate
  • SMILES O=C(OCC(C)C)C1=CC=C(C(OCC(C)C)=O)C=C1

Computational Chemistry Data

  • TPSA   52.6
  • LogP   3.3122
  • H_Acceptors   4
  • H_Donors   0
  • Rotatable_Bonds   6

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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